216 ART. II. A. IZUKA : 



1890. Neplitliys ciliata, Malaquio. Rev. Biol, du Nord Fr., p. 32 



(Ajinel. Boulon.), 

 1893. Neplithys ciliata, Levinsen. Yidensk. Ud. "Hauclis," p. 337. . 

 1898. „ „ Michaelseu. Zool. Ergebn., IX, Grönl. Amiel., 



p. 126. 



1900. Neplitliys ciliata, Fauvel. Annel. Cherbourg, Mem. Soc. Na- 

 tionale des Sc. Nat., etc., Tom. XXXI, p. 309. 



„ Neplitliys ciliata, Mclntosb. Ann. Mag. Nat. Hist., ser. 7, Vol. 

 V, p. 258. 



1901. Nepbtbys ciliata, idem. Ibid., Vol. VEII, p. 222. 



„ „ „ Wbiteaves. Geol. Surv. Canada, No. 722, 



p. 82. 



1902. Nepbtbys ciliata, Marenzeller. Polycb. des Grundes, Denkscbr. 

 d. k. Akad. d. Wiss., Wien, Bd. LXXIV, Separatabdr., p. 11. 



1903. Nepbtbys ciliata, Moore. Proc. Acad. Nat. Sc. Pbilad., Vol. 

 LV, p. 433. 



Body slightly tapering in front, more so posteriorly, and ter- 

 minating behind with, an anal cirrus. Segments numbering 90-135 ; 

 length 140-185 mm. ; breadth about 5.5 mm. including parapodia, 



Prostomium longer than wide, with broad and slightly convex 

 anterior border and slender tentacles, the anterior tentacles being 

 lateral and the posterior ventro-lateral in position. 



Peristomial segment with dorsal and ventral spine-like papillae 

 having two kinds of bristles in each. Proboscis in extrusion 

 generally papillose, with 22 rows of elongate and slender distal 

 papillae, of which there are 5-7 in each row. A median cirrus in 

 front of the rows in mid-dorsal line. 



Parapodium with rounded dorsal lamella, its greatest vertical 

 diameter being near base. At the outer edge of the dorsal lamella 

 is another smaller rounded lamella. Dorsal cirrus long and slender. 

 Branchial process of a moderate length, coiled distallv. Ventral 



